If your destination is east of Village Center Drive (shown in blue), use Yorba Linda Boulevard/Weir Canyon Road from the Riverside Freeway to get to and from your destination. If your destination is west of Village Center, use Imperial Highway to the greatest extent possible to get to and from your destination.
Mouth ulcers are caused by many disorders. These include: 1  Canker sores. 2  Gingivostomatitis. 3  Herpes simplex (fever blister). 4  Leukoplakia. 5  Oral cancer. 6  Oral lichen planus.
Report Abuse. Most minor, single mouth ulcers are caused by damage to the mouth. For example, you may accidentally bite the inside of your cheek while you are eating. Damage to your mouth can also occur if you use a toothbrush incorrectly, or from a sharp tooth, or filling. Recurrent mouth ulcers The cause of recurrent mouth ulcers is often unknown. However, there are a number of factors which may increase the chances of you getting recurrent ulcers.